Rory McIlroy is standing behind his decision to skip media sessions at the PGA Championship last month. The Northern Irishman said Wednesday he had been “pissed off” after news came out that his driver was deemed nonconforming and unusable in pre-tournament testing.

Rory McIlroy is back in action at the RBC Canadian Open, his first event since missing the cut at the PGA Championship, where he declined to speak to the media